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Note 9 - Segment Information - Net Sales, Income Before Provision for Income Taxes and Other Related Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Jul. 31, 2022
Jul. 31, 2021
Oct. 31, 2021
Net sales $ 23,842 $ 15,257 $ 62,265 $ 36,316  
Income (loss) before provision for income taxes 911 1,198 1,193 6,095  
Depreciation and amortization 537 178 1,155 592  
Total assets 87,195 46,414 87,195 46,414 $ 49,648
Corporate, Non-Segment [Member]          
Net sales 0 0 0 0  
Income (loss) before provision for income taxes (677) 2 (2,149) 2,803  
Depreciation and amortization 0 0 0 0  
Total assets 12,291 16,702 12,291 16,702  
RF Connector and Cable Assembly [Member] | Operating Segments [Member]          
Net sales 10,495 3,933 21,928 11,060  
Income (loss) before provision for income taxes 998 255 1,621 2,202  
Depreciation and amortization 390 35 720 105  
Total assets 48,351 7,188 48,351 7,188  
Custom Cabling Manufacturing and Assembly [Member] | Operating Segments [Member]          
Net sales 13,347 11,324 40,337 25,256  
Income (loss) before provision for income taxes 600 941 1,721 1,090  
Depreciation and amortization 147 143 435 487  
Total assets $ 26,553 $ 22,524 $ 26,553 $ 22,524